view src/styleengine.hh @ 513:850c23b07f91

introduce CssPropertySet
author Johannes Hofmann <Johannes.Hofmann@gmx.de>
date Wed, 29 Oct 2008 23:50:31 +0100
parents fd2454cd0120
children dac3e759df92
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#ifndef __STYLEENGINE_HH__
#define __STYLEENGINE_HH__

#include "dw/core.hh"
#include "doctree.hh"
#include "css.hh"

class StyleEngine : public Doctree {
   private:
      class Node : public DoctreeNode {
         public:
            dw::core::style::Style *style;
            CssPropertyList *nonCssProperties;
            const char *styleAttribute;
      };

      dw::core::Layout *layout;
      lout::misc::SimpleVector <Node> *stack;
      CssContext *cssContext;

      dw::core::style::Style *style0 ();
      void apply (dw::core::style::StyleAttrs *attrs, CssPropertySet *props);

   public:
      StyleEngine (dw::core::Layout *layout);
      ~StyleEngine ();
   
      /* Doctree interface */
      inline const DoctreeNode *top () {
         return stack->getRef (stack->size () - 1);
      };

      inline const DoctreeNode *parent (const DoctreeNode *n) {
         if (n->depth > 0)
            return stack->getRef (n->depth - 1);
         else
            return NULL;
      };

      void startElement (int tag, const char *id, const char *klass,
         const char *style);
      void endElement (int tag);
      void setNonCssProperties (CssPropertyList *props);

      inline dw::core::style::Style *style () {
         dw::core::style::Style *s = stack->getRef (stack->size () - 1)->style;
         if (s)
            return s;
         else
            return style0 ();
      };
};

#endif